Nicola Denzey Lewis: Nicola Denzey Lewis. Self: Jesus: His Life. Nicola Denzey Lewis is a Canadian academic who has held positions in the United States including at Harvard University and Brown University. She received her Ph.D. in the Department of Religion at Princeton University in 1998. Denzey Lewis has appeared in numerous documentary television shows as an on-screen expert in the ancient world, Rome, the History of Christianity, and religious traditions.